Home / 4,826.81-7,238.67-2,486.50

Finding the Fourth Proportional to 4,826.81, 7,238.67 and 2,486.50

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Solution

The fourth proportional to 4,826.81, 7,238.67 and 2,486.50 is: 3,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.81 : 7,238.67 = 2,486.50 : x
  2. Step 2: Convert to fraction form
    4,826.81/7,238.67 = 2,486.50/x
  3. Step 3: Cross multiply
    4,826.81x = 7,238.67 × 2,486.50
  4. Step 4: Simplify right side
    4,826.81x = 17,998,980.24
  5. Step 5: Solve for x
    x = 17,998,980.24/4,826.81
  6. Step 6: Final answer
    x = 3,728.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.